Importing and analyzing external data using a virtual reality welding system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G09B-019/00
G09B-019/24
A42B-003/04
A42B-003/30
A61F-009/06
G09B-005/02
G09B-005/06
출원번호
US-0453825
(2017-03-08)
등록번호
US-9754509
(2017-09-05)
발명자
/ 주소
Zboray, David Anthony
Bennett, Matthew Alan
Wallace, Matthew Wayne
Hennessey, Jeremiah
Dudac, Yvette Christine
Lenker, Zachary Steven
Lundell, Andrew Paul
Dana, Paul
Preisz, Eric A.
출원인 / 주소
Lincoln Global, Inc.
대리인 / 주소
Perkins Coie LLP
인용정보
피인용 횟수 :
0인용 특허 :
194
초록▼
A real-time virtual reality welding system including a programmable processor-based subsystem, a spatial tracker operatively connected to the programmable processor-based subsystem, at least one mock welding tool capable of being spatially tracked by the spatial tracker, and at least one display dev
A real-time virtual reality welding system including a programmable processor-based subsystem, a spatial tracker operatively connected to the programmable processor-based subsystem, at least one mock welding tool capable of being spatially tracked by the spatial tracker, and at least one display device operatively connected to the programmable processor-based subsystem. The system is capable of simulating, in virtual reality space, a weld puddle having real-time molten metal fluidity and heat dissipation characteristics. The system is further capable of importing data into the virtual reality welding system and analyzing the data to characterize a student welder's progress and to provide training.
대표청구항▼
1. A method for simulating welding activity, comprising: tracking a movement and orientation of a stick welding device relative to a welding coupon for a simulated welding operation, where said stick welding device has a stick welding tool and a simulated stick electrode;moving said simulated stick
1. A method for simulating welding activity, comprising: tracking a movement and orientation of a stick welding device relative to a welding coupon for a simulated welding operation, where said stick welding device has a stick welding tool and a simulated stick electrode;moving said simulated stick electrode with an actuator within said stick welding tool during said simulated welding operation;receiving information related to said movement and orientation of said stick welding device;modeling, during said simulated welding operation, a simulated welding surface for said welding coupon;modeling a simulated weld puddle having real-time molten metal fluidity and real-time heat dissipation characteristics during said simulated welding operation;modeling a simulated weld bead based on said movement and orientation of said welding tool, and based on a simulation of solidification of said weld puddle from a molten state to a solid state; anddisplaying, on a first display device, said simulated welding operation, including displaying said simulated welding surface, said simulated weld puddle and said simulated weld bead;wherein said movement of said simulated stick electrode is such that a distance between said stick welding tool and a simulated welding tip of said simulated stick electrode is reduced during said simulated welding operation. 2. The method of claim 1, wherein said tracking further comprises using an optical sensor which is mounted on a helmet to optically track said welding tool. 3. The method of claim 1, further comprising: simulating welding sounds in real-time with the simulated welding operation using an audio speaker disposed in a helmet. 4. The method of claim 1, further comprising: determining a plurality of simulated welding parameters based on said movement and orientation of said stick welding device;displaying, on a second display device, said plurality of determined welding parameters, in real-time, during said simulated welding operation. 5. The method of claim 4, wherein at least one of said plurality of determined welding parameters is displayed in graphical form in real time during said simulated welding operation. 6. The method of claim 4, wherein said plurality of determined welding parameters include weld angle, travel angle, and travel speed. 7. The method of claim 1, further comprising: determining at least one simulated welding parameter during said simulated welding operation;comparing said at least one determined welding parameter to a stored value for said at least one determined welding parameter; anddisplaying said comparison on a second display device. 8. The method of claim 7, wherein said comparison is displayed in graphical form. 9. The method of claim 1, further comprising: displaying, on said first display device, a plurality of visual cues during said simulated welding operation, where each of said plurality of visual cues is for a distinct welding parameter, and where said plurality of visual cues are displayed based on a deviation of said welding parameters during said simulated welding operation from a desired value for each of said welding parameters, respectively. 10. The method of claim 1, further comprising: generating and displaying on said first display device at least one welding effect, which is one of simulated welding sparks, simulated welding spatter, simulated arc glow and simulated porosity during said simulated welding operation, and where said at least one welding effect is displayed, in real time, based on said movement and orientation of said stick welding device. 11. The method of claim 1, wherein said simulation of said solidification from a molten state to a solid state of a surface region of said weld puddle is based on a distance between said tip of said simulated stick electrode and said surface region. 12. The method of claim 1, wherein said simulation of said solidification from a molten state to a solid state of said weld puddle is based on a cooling threshold value for said simulated weld puddle. 13. A method for simulating welding activity, comprising: tracking a movement and orientation of a stick welding device relative to a welding coupon for a simulated welding operation, where said stick welding device has a stick welding tool and a simulated stick electrode;retracting said simulated stick electrode using an actuator in said stick welding tool during said simulated welding operation;receiving information related to said movement and orientation of said stick welding device;modeling, during said simulated welding operation, a simulated welding surface for said welding coupon;displaying said simulated welding surface on each of a first display device and a second display device during said simulated welding operation;modeling, during said simulated welding operation, a simulated welding arc between an emitting end of said stick welding device and said simulated welding surface;modeling a simulated weld puddle generated from a simulated deposition of weld material, wherein said simulated weld puddle is changed dynamically during said simulated welding operation based on said movement and orientation of said stick welding device, said modeling of said simulated weld puddle having real-time molten metal fluidity and real-time heat dissipation characteristics;modeling a simulated weld bead based on said movement and orientation of said stick welding device, and based on a simulation of solidification of said weld puddle from a molten state to a solid state; anddisplaying, on said each of said first and second display devices, said simulated welding surface, said simulated weld puddle and said simulated weld bead during said simulated welding operation. 14. A method for simulating welding activity, comprising: optically tracking a movement and orientation of a stick welding device relative to a welding coupon for a simulated welding operation, where said stick welding device has a stick welding tool and a simulated stick electrode;retracting said simulated stick electrode using an actuator in said stick welding tool during said simulated welding operation;receiving information related to said movement and orientation of said stick welding device;modeling, during said simulated welding operation, a simulated welding surface for said welding coupon;displaying said simulated welding surface on a display device disposed in a helmet;modeling a simulated weld puddle having real-time molten metal fluidity and real-time heat dissipation characteristics during said simulated welding operation, using a plurality of welding elements where said welding elements are changed dynamically during said simulated welding operation based on said movement and said orientation of said stick welding device;modeling a simulated weld bead based on a simulation of solidification of said weld puddle from a molten state to a solid state, where said simulation of solidification is based on a cooling threshold value for said welding elements;displaying, on said display device, each of said simulated weld puddle and said simulated weld bead during said simulated welding operation; andemitting simulated welding sounds in said helmet during said simulated welding operation. 15. The method of claim 14, wherein simulated welding sounds are emitted in real-time and based on said movement and orientation of said stick welding device. 16. The method of claim 14, further comprising: determining a plurality of simulated welding parameters based on said movement and orientation of said welding tool; anddisplaying, on another display device, said determined welding parameters, in real-time, during said simulated welding operation. 17. The method of claim 16, wherein at least one of said plurality of determined welding parameters is displayed in graphical form in real time during said simulated welding operation. 18. The method of claim 16, wherein said plurality of determined welding parameters include weld angle, travel angle, and travel speed. 19. The method of claim 14, further comprising: generating and displaying on said display device at least one welding effect, which is one of simulated welding sparks, simulated movement of a displayed stick electrode, welding spatter, simulated arc glow and simulated porosity during said simulated welding operation, and where said at least one welding effect is displayed, in real time. 20. The method of claim 16, further comprising displaying movement of the simulated stick electrode on each of said display devices. 21. A method for simulating welding activity, comprising: tracking a movement and orientation of a stick welding device in a simulated welding operation, said stick welding device having a simulated stick electrode and a stick welding tool having an actuator which moves said simulated stick electrode;receiving information related to said movement and orientation of said stick welding device;modeling, during said simulated welding operation, a simulated welding surface on a welding coupon;displaying said simulated welding surface on a display device;modeling a simulated weld puddle having real-time molten metal fluidity and real-time heat dissipation during said simulated welding operation where said real-time molten metal fluidity and heat dissipation are changed dynamically based on said movement and orientation of said stick welding device;modeling the deposition of simulated weld material into said simulated weld puddle where said simulated weld material is modeled to originated from an end of said stick welding device;modeling a simulated weld bead based on said movement and orientation of said welding tool, and based on a simulation of solidification of said weld puddle from a molten state to a solid state;displaying, on said display device, said simulated weld puddle, said simulated weld material and said simulated weld bead during said simulated welding operation; andretracting said simulated stick electrode during said simulated welding operation, where said retracting simulates consumption of said simulated stick electrode during said simulated welding operation and said consumption is simulated by reduction in observable length of said simulated stick electrode. 22. The method of claim 21, wherein said tracking is performed optically using at least one sensor mounted on a helmet which comprises said first display device. 23. The method of claim 21, further comprising: simulating welding sounds in real-time with the simulated welding operation using an audio speaker disposed in a helmet. 24. The method of claim 21, further comprising: determining a plurality of simulated welding parameters based on said movement and orientation of said welding tool;displaying, on another display device, said plurality of determined welding parameters, in real-time, during said simulated welding operation. 25. The method of claim 24, wherein at least one of said plurality of determined welding parameters is displayed in graphical form in real time during said simulated welding operation. 26. The method of claim 24, wherein said plurality of determined welding parameters include weld angle, travel angle, and travel speed. 27. The method of claim 21, further comprising: determining at least one simulated welding parameter during said simulated welding operation;comparing said at least one determined welding parameter to a stored value for said at least one simulated welding parameter; anddisplaying said comparison on a second display device,wherein said comparison is displayed in graphical form. 28. The method of claim 21, further comprising: displaying, on said display device, a plurality of visual cues during said simulated welding operation, where each of said plurality of visual cues is for a distinct welding parameter, and where said plurality of visual cues are displayed based on a deviation of said welding parameters during said simulated welding operation from a desired value for each of said welding parameters, respectively. 29. The method of claim 21, wherein said simulation of said solidification from a molten state to a solid state of a surface region of said weld puddle is based on movement of said end of said simulated stick electrode. 30. The method of claim 21, wherein said simulation of said solidification from a molten state to a solid state of said weld puddle is based on a cooling threshold value for said simulated weld puddle.
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